> ffmpeg -hide_banner -h encoder=libmp3lame
Encoder libmp3lame [libmp3lame MP3 (MPEG audio layer 3)]:
General capabilities: delay small
Threading capabilities: none
Supported sample rates: 44100 48000 32000 22050 24000 16000 11025 12000 8000
Supported sample formats: s32p fltp s16p
Supported channel layouts: mono stereo
libmp3lame encoder AVOptions:
-reservoir <boolean> E...A... use bit reservoir (default true)
-joint_stereo <boolean> E...A... use joint stereo (default true)
-abr <boolean> E...A... use ABR (default false)